Mineral Identification

Front

This mineral is metallic, dense, is copper colored and tarnishes green.

Back

Copper

Front

This mineral has 2 cleavages at 90, contains exsolution, and is typically an orange to green color with a hardness of 6.

Back

Orthoclase

Front

This mineral has a hardness of 6.5 and is brassy gold with cubic crystals. It does not tarnish.

Back

Pyrite

Front

This mineral is magnetic, metallic, and has a grey to dark grey streak.

Back

Magnetite

Front

This mineral has 3 cleavages not at 90 (rhombohedral), hardness of 3.5 and fizzes with acid

Back

Calcite

Front

This mineral is metallic, very brassy gold and can tarnish purple. It is soft 3.5 and not found in crystal form very often.

Back

Chalcopyrite

Front

This mineral forms very small crystals and is a glassy rich green to pale green color and will scratch glass.

Back

Olivine

Front

This mineral is very soft, comes in several colors and forms such as orange, colorless or white, and does not fizz with acid or have a soapy feel.

Back

Gypsum

Front

This mineral is very hard (7) can be found as hexagonal crystals but will fracture if broken. It comes in many colors (smoke, rose, orange, purple, white, colorless).

Back

Quartz

Front

This is a form of microcrystalline quartz that fractures and is very dull and can be grey, white, red or brown.

Back

Chalcedony